When it comes to finding reliable and independent information about Grubhub, one reputable source you can refer to is the official website of the United States Securities and Exchange Commission (SEC). The SEC is a government agency responsible for regulating and overseeing the securities industry in the United States. Publicly traded companies, including Grubhub, are required to file various reports with the SEC, which provide detailed and accurate information about their operations, financials, and other important aspects.